Electric resistance heating devices – Heating devices – Vaporizer
Patent
1990-02-22
1991-10-01
Reynolds, Bruce A.
Electric resistance heating devices
Heating devices
Vaporizer
392403, 392405, 219485, F24H 706, A61H 3306
Patent
active
050541056
ABSTRACT:
An electric sauna heater comprising at least one electric resistor (10) for heating the sauna room and a steamer (1 to 9) for generating steam in the sauna room, the steamer comprising an evaporating space (4) and at least one electric resistor (9) for evaporating the water contained in the evaporating space (4). To achieve efficient evaporation without applying high capacities at the evaporating resistor, the sauna heater comprises a thermostat (5) which disconnects power from the water evaporating resistor (9) when opening the supply of water to the evaporating space (4) and connects power to the evaporating resistor (9) when closing the supply of water to the evaporating space (4).
REFERENCES:
patent: 3670141 (1972-06-01), Dines
patent: 3721802 (1973-03-01), Chrisman
patent: 3739144 (1973-06-01), Janson
patent: 3892946 (1975-07-01), Rimmi
patent: 3952181 (1976-04-01), Reed
patent: 4717811 (1988-01-01), Fujii
patent: 4835368 (1989-05-01), Fortmann et al.
patent: 4851646 (1989-07-01), Perala
patent: 4959527 (1990-09-01), Kivimaa et al.
Darauf kommt es an: Heizgerat, Verdampfer und Wasserversorgung.
Kiyimaa Antti
Sjolund Peter
Jeffery John A.
Oy Helo-Tehtaat-Helo Factories, Ltd.
Reynolds Bruce A.
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